package com.atguigu.chapter03

object TestOpt {

  def main(args: Array[String]): Unit = {
    val i :Int = 1.*(3)
    val j:Int= 1+(1)
    val k: Int = 1 +1

    println(1.toString)
    println(1 toString)
    println(1 toString)

    println(i)
    println(j)
    println(k)
  }
}
